Question

What will be the ratio of curved surface area of two right circular cones whose volumes are equal if the ratio of their radii is 2:3 and the ratio of individual height and radius 1:3?
A) 1 : 3
B) 2 : 3
C) 1 : 9
D) 4 : 9

Answer 1

I think options d) 4:9is correct.

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